AddressValidator.java

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2015, Red Hat, Inc. and/or its affiliates, and individual
 * contributors by the @authors tag. See the copyright.txt in the
 * distribution for a full listing of individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.as.quickstarts.bean_validation_custom_constraint;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

public class AddressValidator implements ConstraintValidator<Address, PersonAddress> {

    public void initialize(Address constraintAnnotation) {
    }

    /**
     * 1. A null address is handled by the @NotNull constraint on the @Address.
     * 2. The address should have all the data values specified.
     * 3. Pin code in the address should be of at least 6 characters.
     * 4. The country in the address should be of at least 4 characters.
     */
    public boolean isValid(PersonAddress value, ConstraintValidatorContext context) {
        if (value == null) {
            return true;
        }

        if (value.getCity() == null || value.getCountry() == null || value.getLocality() == null
            || value.getPinCode() == null || value.getState() == null || value.getStreetAddress() == null) {
            return false;
        }

        if (value.getCity().isEmpty()
            || value.getCountry().isEmpty() || value.getLocality().isEmpty()
            || value.getPinCode().isEmpty() || value.getState().isEmpty() || value.getStreetAddress().isEmpty()) {
            return false;
        }

        if (value.getPinCode().length() < 6) {
            return false;
        }

        if (value.getCountry().length() < 4) {
            return false;
        }

        return true;
    }
}